<!DOCTYPE html>  
<html lang="en">  
<head>  
    <meta charset="UTF-8">  
    <meta name="viewport" content="width=device-width, initial-scale=1.0">  
    <title>首页</title>
</head>  
<body>  
   <a href= "./insert/index.html">插入算法</a>
   <a href= "./select/index.html">选择算法</a>
</body>  
</html>